How to make a formwork for the foundation?

Formwork in the construction industry is called a permanent or temporary structure made of various types of materials (metal, wood, plywood, improvised). Its main purpose - to serve as a form for pouring a variety of concrete solutions and give them solidity. Formwork for the foundation can be of two types: fixed or removable. In the first case, the system is completely removed after hardening of the mortar, in the second it is simply part of the design and not subject to further dismantling.

To the foundation being built for the construction of a house or a country cottage, it was a strong and monolithic, you should know some important requirements for the device casing. These include reliability, maintaining the proper form and stability securing space situation on the ground. The most widespread wooden formwork. Easy and fast installation time, low cost and availability of material made this kind of system the most acceptable in the construction of private buildings. The construction of large residential projects require the use of expensive steel or aluminum structures. Very strong and durable is considered shuttering of polystyrene foam. It is suitable for use in environmental conditions with humid climate and low air temperatures.

Wooden elements can easily be manufactured independently. This will require the necessary quantity of wide boards whose thickness should be 25-30 mm. Selected material via knock the boards in the size of PDUs corresponding to the fill height of the concrete mix. Boards are fitted tightly as possible, so that there is no cracks. Large holes clogged rails, and in the small, up to 5 mm, tamped tow.

The most common in the construction of a continuous footing. In his example, consider the principle of the right formwork, which can also be utilized for many other purposes. Initially should prepare the soil surface and dig a trench for the future foundation.
For more information on how to make a strip foundation can be found in my article: How to make a strip foundation for the house?

Installation projected formwork for strip foundation begins with a perimeter contouring, on which is mounted a wooden structure. This is done using conventional pegs and ropes. Stakes, which should keep the panels in their lower edge, driven into the ground at a sufficiently great depth. In addition, also set the bars as a future basis for a set of backups. The prepared boards are attached to the beam and the stakes with nails. Care should be taken so that the inside of the panels is strictly consistent with the external shape of the future foundation being built.

Proper installation of the formwork also provides for strengthening the upper part of the wooden beams by means of additional struts longer than the height of the foundation boards. They are placed with one edge in the abutment surface of the ground, and the other - to the top of the support beams. If required, impart greater stability, the design also bind webs made from wire rod.

Now that you know how to make the formwork for the foundation, but it is better to entrust it responsible business professionals who perform hard work in a short time more reliably and qualitatively.

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